S1901 Data Transmission Unit (GPRS/CDMA 2000 1x Router)
Features
GSM (Model: S1901G)
Support GSM 900/1800Mhz or GSM 900/1800/1900Mhz
HSDPA(Model:S1901H)
Support HSDPA GSM 850/900Mhz/1800/1900Mhz Quad Band UMTS/HSDPA
850/1900/2100Mhz Tri Band
EDGE(Model:s1901E)
Support:GSM 850/900Mhz/1800/1900Mhz Quad Band
CDMA (Model: S1901C)
Support CDMA 450/800/1900Mhz single band or CDMA 800/1900Mhz
Dual Band
S1901 series
1xSerial port, RS232/485/422 optional, 1xRJ45 (10Base-T) With CPU, Flash and SDRAM Support data transparent transmission Support wireless modem and wireless router mode Support VPN/IPSEC , Static / dynamic NAT, DHCP server Support always online and data awake mode Support TFTP upgrading Support Telnet/Web NMS Can meet Machine to Machine ( M2M ) communication requirement, such as Bank ATM connection,
automatically meter reading